Cooper Williams (born June 17, 2005) is an American tennis player. He has a career-high ATP singles ranking of world No. 688, achieved on 8 August 2025 and a doubles ranking of No. 516, achieved on 12 June 2023.
Williams won the boys' doubles title alongside compatriot Learner Tien at the 2023 Australian Open in January 2023.[1][2]
Early life
Born and raised in New York City, Williams attended St. Bernard's School on the Upper East Side from Kindergarten to seventh grade. He graduated from Dwight School Global in June 2023. Williams relocated to Boca Raton, Florida during the Covid pandemic, where he works with fitness coach, Richard Woodruff.[3][4]
Career
Alongside partner Learner Tien, Williams won the junior Australian Open doubles in January 2023, defeating Alexander Blockx and João Fonseca in the final 6–4, 6–4.[5][6]
College
Williams played his Freshman season of college tennis at Harvard, where he earned All-America singles status and 2024 NCAA Rookie of the Year. He led the Crimson to its highest NCAA ranking in program history, #6 in the nation. Williams now plays for Duke University.
ITF World Tennis Tour finals
Singles: 1 (title)
Result
|
W–L
|
Date
|
Tournament
|
Tier
|
Surface
|
Opponent
|
Score
|
Win
|
1–0
|
Jun 2025
|
M15 Monastir, Tunisia
|
WTT
|
Hard
|
Marcus Walters
|
6–3, 6–1
|
Doubles: 5 (3 titles, 2 runner-ups)
|
Finals by surface
|
Hard (3–2)
|
Clay (0–0)
|
|
Result
|
W–L
|
Date
|
Tournament
|
Tier
|
Surface
|
Partner
|
Opponents
|
Score
|
Loss
|
0–1
|
Jul 2022
|
M25 Edwardsville, US
|
WTT
|
Hard
|
Kweisi Kenyatte
|
Makoto Ochi Seita Watanabe
|
6–7(1–7), 3–6
|
Loss
|
0–2
|
Aug 2022
|
M15 Memphis, US
|
WTT
|
Hard
|
Alex Michelsen
|
Millen Hurrion Finn Reynolds
|
0–6, 1–6
|
Win
|
1–2
|
Sep 2022
|
M15 Fayetteville, US
|
WTT
|
Hard
|
Alessio Basile
|
Adrien Burdet
Melvin Manuel
|
6–4, 6–3
|
Win
|
2–2
|
Mar 2023
|
M25 Calabasas, US
|
WTT
|
Hard
|
Edward Winter
|
Rohan Murali
Elijah Strode
|
6–2, 6–3
|
Win
|
3–2
|
Oct 2024
|
M15 Winston-Salem, US
|
WTT
|
Hard
|
Daniel Milavsky
|
Ryan Fishback
Henry Lieberman
|
6–1, 6–1
|
Junior Grand Slam finals
Doubles: 1 (1 title)
References